Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Flagellata see Subphylum Mastigophora Diesing, 1866
       Order Dinoflagellata Bütschli, 1885 see Superclass Dinoflagellata Bütschli, 1885
         Family Gymnodiniidae see Family Gymnodiniaceae Lank. (1885)
           1 Genus [Gymnodinium] Stein, 1878
           2 Genus Goniaulax see Genus Gonyaulax Diesing (1866)
           3 Genus Gyrodinium Kof. & Swezy (1921)
           4 Genus [Ornithocercus] F. Stein (1883)
           5 Genus [Peridinium] Ehrenb. (1830)
           6 Genus [Histioneis] F. Stein (1883)
           7 Genus [Ceratocoris] see Genus Ceratocorys F. Stein (1883)
           8 Genus [Erythropsis] Hertwig, 1884 see Genus Erythropsidinium P.C.Silva (1960)
           9 Genus Merodinium Chatton (1923)